/*
How many integers 0 ≤ n &lt; 1018 have the property that the sum of the digits of n equals the sum of digits of 137n?

Anser:
Time:
*/
package main

import (
	"fmt"
	"time"
)

func main() {
	tstart := time.Now()



	tend := time.Now()
	fmt.Println(tend.Sub(tstart))
}